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We bid farewell to a SparkFun classic but open the door to the next chapter in project-based blog posts.

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It's been a while; today we'll look at serialization using the ArduinoJSON library.

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Let's go over when something like an Arduino or Teensy is more appropriate than using a Raspberry Pi.

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Overview of a small, home-built cart to make soldering, reworking, and electrical testing easier at home

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In a previous blog post we showed off a custom macro keyboard. In this week's post, we update it to make it wireless!

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Remember that Magic Mirror? We now have a tutorial surrounding it, and we've done some super sweet formatting with CSS! Check it out!

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Measure the ambient temperature of the room with either the TMP117 or TMP102!

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Let's take a look at the pros and cons of traditional mechanical relays vs solid state relays.

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I've been crafting a web interface to update an ESP32 using BLE. Check out the tutorial!

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Grab some parts, strap a servo on it, and you'll be reflowing solder in no time!

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No, we're not talking about hiding in bushes with long zoom lenses waiting to see what Tom Cruise is wearing today...

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The current pandemic is creating havoc all over. Supply chain impacts might not be instantly apparent, but manufacturers closing is just the tip of the iceberg.

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A short look back at a test-fixture designed to increase efficiency for future development.

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Discussing what thermal resistance is, how it’s used for thermal management, and how to maximize the life of your project.

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Using encoder feedback to control two DC motors, this robot is self-correcting!

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Facing the daunting task of wiring together 192 of the same I2C sensor inspired a creative solution.

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Comparing analog and digital temperature sensors TMP36, TMP102 and TMP117. Which is better?

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It hasn't been quite a decade since the release of the Raspberry Pi platform, but it was definitely the hardware project that dominated the 2010s for us. For today's post I'd love the reminisce and review the big story.

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This is great. I live in a city, near a main highway and freight train line, so lots of opportunity for tracking devices to connect. I'm…

One of the things that has my curiousity up is that there is no mention made of what sort of implements will be attached to the Farmhand…

This is crazy cool -Ali B.

I just made a presentation on this subject for FabAcademy recitation Agriculture part of “sustainability, materials, agriculture” on the…

Your video does not say why I should want to pay 2-3 time more for the EMK boards (SEN-17373, SEN-17375, SEN-17372, SEN-17374P) vs. a…

What do you suggest to power the weather shield remotely off a battery? Thanks!

I was wondering if anyone had done something like this!

... Sparkfun also came to the rescue when I needed a solution to precisely determine the ground speed of one our vineyard tractors at speeds…

I built a GPS tracker to control the water cannon and end guns on our 4.5 acre center-pivot irrigation machine. This allowed me to irrigate…

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